Self-drilling tapping screws represent a landmark achievement in modern mechanical fastening engineering. By combining the processes of drilling, tapping, and fastening into a single operational motion, these fasteners drastically reduce construction workflows, lower assembly labor costs, and eliminate pilot-hole preparation errors. However, the engineering design of a high-quality self-drilling tapping screw is highly demanding: the fastener must be hard enough to drill through structural metal plate surfaces while maintaining sufficient structural toughness to resist shearing, cyclic vibration, and dynamic stresses under fluctuating operational conditions.
The manufacturing process starts with structural-grade carbon steel (such as C1022A, C1018, or medium alloy carbon steel matrix). This steel possesses an optimal carbon density balance, enabling surface hardening through carburization while leaving a resilient, ductile core. The drill point (often designated Tek 2, Tek 3, or heavy-duty Tek 5) must execute rapid cutting passes through mild structural steels of up to 12.5mm (0.5 inches) thickness. To achieve this, the surface hardness of the drill point is localized to ≥ 550 HV, while the ductile core is engineered at 270 HV to 390 HV to absorb torque spikes and impact force without shattering.
We implement a stringent sampling inspection framework to identify structural deviations, micro-cracks, and thread defects prior to shipment, striving to achieve zero-defect batch delivery.
Our collaborative industrial group holds over 100 utility model patents and 8 invention patents, advancing performance boundaries in specialized fastener engineering.
Operating a dynamic catalog of nearly 100,000 product models. We maintain a constant stock of 500 tons of raw alloy materials and 10,000 tons of finished components to ensure supply chain continuity.
Transitioning from traditional electro-zinc plating to eco-friendly zinc-flake and Chrome-free coatings (such as Geomet and Dacromet equivalent solutions). These technologies yield salt-spray resistance exceeding 1,500 hours without inducing hydrogen embrittlement during acid pickling steps.
Developing advanced bi-metal self-drilling fasteners. Combining corrosion-proof 300-series stainless steel shanks with friction-welded heat-treated carbon steel drill points enables maximum weather resistance in civil architectural curtain walls.
Integrating real-time high-speed optical sorting machines on high-speed cold-heading production lines. Real-time cameras capture minor thread deviations, pitch variations, and point geometry imperfections down to ±0.01 mm.
Beiersdorf Industrial Technology (Shanghai) Co., Ltd. was established in 2015 and is located in Shanghai, China. It is an enterprise mainly engaged in the design, custom manufacturing, and global export of special fasteners and ultra-high precision components.
"Product quality is the foundation for an enterprise's survival. With a heart open to sunshine, everything progresses toward prosperity."
By working closely with leading global distributors, design consultancies, and OEM builders, we deliver dependable fastening solutions that meet stringent technical demands, maintaining a reputation for reliability across competitive international markets.
Designed for MRI scanners, radar equipment, and precision aerospace control units where magnetic interference must be completely avoided.
Includes super alloys like Inconel, Monel, Hastelloy, and titanium variants engineered for high heat and acidic conditions.
Lightweight polymer components utilizing PVDF, PEEK, and nylon to offer chemical resistance and electrical insulation.
Marine engineering fasteners verified by classification bodies to ensure high tensile performance in saline environments.
Fabricated from premium materials, supplying high-fatigue life and tensile rating for automotive suspension systems.
Ultra-precise components machined to strict tolerances for medical instruments and optical devices.
Remains resilient down to -270℃, serving LNG storage tankers, cryogenics, and deep aerospace environments.
Retains shear strength up to 1200℃ to endure gas turbines, petrochemical furnaces, and rocket exhausts.
Our special fasteners are widely used in shipbuilding and oceanography engineering, specifically in the manufacture of special ships, marine propulsion, marine accessories, yacht manufacturing, offshore oil drilling platforms, submarine pipelines, offshore wind power, underwater lifeboats, port machinery, and dock construction. These special fasteners mainly include A4-80, A5-80, D8-80, D6-70, 2205, L7, 40CrNiMoA, 718, EN14399 steel structure connection pairs, and classification society certificate fasteners.
Custom steel self-drilling and tapping components are enhanced with marine-grade coatings to resist chloride-induced stress corrosion cracking (SCC) under high offshore pressures.
Global supply chain volatility has made lead-time predictability and raw material availability critical elements of operational success. Our manufacturing facility in Shanghai, China, is strategically positioned near major steel production centers and international deep-water ports. This location allows us to maintain a reliable raw material buffer and utilize efficient logistics channels.
We keep an active inventory of specialized alloy steel coils and stainless wire rod from domestic mills. This ensures we can quickly pivot production to meet sudden order spikes. Our internal tracking system monitors the production cycle from drawing and cold forming to heat treatment and final shipping, providing transparency and on-time delivery for large global projects.
Jan 24, 2025
In the heart of the global industrial landscape, the fastener industry stands as a silent but crucial cog driving the machinery of progress. As we step into 2025, the future of fasteners is poised to reach new milestones in material science and digital tracing.
Jan 24, 2025
Beiersdorf, a leading global fasteners supply company, has announced the commencement of a comprehensive warehouse renovation project. This initiative is part of the company's ongoing commitment to reducing fulfillment times.
Jan 24, 2025
Beiersdorf (Shanghai) was founded in 2015. We are a company with a global perspective dedicated to providing professional fastener solutions. Fasteners, as the most basic and common mechanical parts, play a key role in building robust global infrastructure.
Beiersdorf is more than a supplier of special fasteners. We provide technical consultations and guidance, assisting with early-stage material selection and subsequent installation and maintenance requirements.
Need a Consultation? Contact Us 24/7
BSF
